:root {
  --navy: #173a5e;
  --navy-deep: #0e2b48;
  --navy-soft: #edf4f8;
  --ink: #243343;
  --muted: #617181;
  --line: #dbe4ea;
  --green: #06c755;
  --orange: #e97635;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: #fff;
  color: var(--ink);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  line-height: 1.8;
}

.strength-lp,
.strength-lp * {
  box-sizing: border-box;
}

.strength-lp {
  background: #fff;
  color: var(--ink);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
  max-width: none;
  overflow: hidden;
  padding: 0;
  width: 100%;
}

.strength-lp h1,
.strength-lp h2,
.strength-lp h3,
.strength-lp p,
.strength-lp ul {
  max-width: none;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  width: 100%;
}

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  display: flex;
  height: 76px;
  justify-content: space-between;
  padding: 0 max(5vw, 24px);
  position: sticky;
  top: 0;
  z-index: 50;
}

.brand {
  align-items: center;
  display: flex;
  gap: 12px;
}

.brand-mark {
  align-items: center;
  background: var(--navy);
  border-radius: 50%;
  color: white;
  display: flex;
  font-family: Georgia, serif;
  font-size: 14px;
  height: 42px;
  justify-content: center;
  letter-spacing: 0.08em;
  width: 42px;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.35;
}

.brand strong {
  color: var(--navy);
  font-size: 19px;
}

.brand small {
  color: var(--muted);
  font-size: 11px;
}

.header-cta {
  background: var(--green);
  border-radius: 7px;
  color: white;
  font-size: 14px;
  font-weight: 700;
  padding: 11px 22px;
}

.hero {
  display: grid;
  grid-template-columns: 52% 48%;
  min-height: 650px;
}

.hero-content {
  align-self: center;
  margin-left: auto;
  max-width: 700px;
  padding: 70px 7vw 70px max(5vw, 28px);
}

.eyebrow,
.section-heading > span,
.final-cta > span {
  color: var(--navy);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1 {
  color: var(--navy-deep);
  font-size: clamp(38px, 4.2vw, 64px);
  letter-spacing: -0.04em;
  line-height: 1.28;
  margin: 18px 0 24px;
}

.hero h1 em {
  background: linear-gradient(transparent 67%, #f6dca7 0);
  color: var(--orange);
  font-style: normal;
}

.hero-lead {
  color: #405466;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.9;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  list-style: none;
  margin: 25px 0;
  padding: 0;
}

.hero-badges li {
  background: var(--navy-soft);
  border-radius: 999px;
  color: var(--navy);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
}

.hero-actions {
  align-items: center;
  display: flex;
  gap: 20px;
}

.button {
  border-radius: 8px;
  color: white;
  display: inline-flex;
  flex-direction: column;
  font-size: 17px;
  font-weight: 800;
  line-height: 1.4;
  min-width: 285px;
  padding: 15px 28px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.button:hover {
  box-shadow: 0 10px 24px rgba(6, 199, 85, 0.2);
  transform: translateY(-2px);
}

.button-line {
  background: var(--green);
}

.button-kicker {
  font-size: 10px;
  letter-spacing: 0.06em;
  opacity: 0.9;
}

.text-link,
.mail-link {
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.microcopy {
  color: var(--muted);
  font-size: 11px;
  margin-top: 13px;
}

.hero-image {
  min-height: 650px;
  overflow: hidden;
  position: relative;
}

.hero-image img {
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-image::after {
  background: linear-gradient(90deg, rgba(14, 43, 72, 0.08), transparent 45%);
  content: "";
  inset: 0;
  position: absolute;
}

.hero-caption {
  background: rgba(14, 43, 72, 0.91);
  bottom: 28px;
  color: white;
  left: 28px;
  padding: 16px 22px;
  position: absolute;
  z-index: 2;
}

.hero-caption span,
.hero-caption strong {
  display: block;
}

.hero-caption span {
  font-size: 10px;
  letter-spacing: 0.16em;
}

.hero-caption strong {
  font-size: 15px;
}

.section-nav {
  align-items: center;
  background: var(--navy);
  color: white;
  display: flex;
  justify-content: center;
  min-height: 62px;
}

.section-nav a {
  border-right: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 13px;
  padding: 3px 30px;
}

.section-nav a:first-child {
  border-left: 1px solid rgba(255, 255, 255, 0.22);
}

.section {
  padding: 100px max(5vw, 24px);
}

.section-heading {
  margin: 0 auto 48px;
  max-width: 900px;
  text-align: center;
}

.section-heading h2 {
  color: var(--navy-deep);
  font-size: clamp(29px, 3vw, 42px);
  line-height: 1.4;
  margin: 8px 0 0;
}

.section-heading p {
  color: var(--muted);
  margin: 12px 0 0;
}

.section-heading.left {
  margin: 0 0 25px;
  text-align: left;
}

.concern-grid,
.reason-grid,
.plan-grid,
.trial-grid {
  display: grid;
  gap: 22px;
  margin: 0 auto;
  max-width: 1100px;
}

.concern-grid {
  grid-template-columns: repeat(2, 1fr);
}

.concern-card {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  display: flex;
  gap: 18px;
  min-height: 108px;
  padding: 24px;
}

.concern-card > span {
  align-items: center;
  background: var(--navy-soft);
  border-radius: 50%;
  color: var(--navy);
  display: flex;
  flex: 0 0 auto;
  font-family: Georgia, serif;
  font-size: 23px;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.concern-card p {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.65;
  margin: 0;
}

.statement {
  color: var(--navy-deep);
  font-size: 18px;
  line-height: 2;
  margin: 42px auto 0;
  max-width: 900px;
  text-align: center;
}

.statement strong {
  color: var(--orange);
}

.soft-bg {
  background: var(--navy-soft);
}

.reason-grid {
  grid-template-columns: repeat(3, 1fr);
}

.reason-card {
  background: white;
  border-radius: 12px;
  box-shadow: 0 7px 24px rgba(23, 58, 94, 0.07);
  padding: 38px 30px 34px;
}

.reason-number {
  color: #b4cbd9;
  font-family: Georgia, serif;
  font-size: 35px;
  font-weight: 700;
}

.reason-card h3 {
  color: var(--navy);
  font-size: 20px;
  line-height: 1.55;
  margin: 8px 0 15px;
}

.reason-card p {
  color: var(--muted);
  font-size: 14px;
  margin: 0;
}

.trainer {
  display: grid;
  gap: 6vw;
  grid-template-columns: minmax(320px, 0.85fr) minmax(420px, 1.15fr);
  margin: 0 auto;
  max-width: 1200px;
}

.trainer-photo {
  align-self: start;
  position: relative;
}

.trainer-photo img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.trainer-photo > div {
  background: var(--navy);
  bottom: -25px;
  color: white;
  padding: 16px 24px;
  position: absolute;
  right: -20px;
}

.trainer-photo strong,
.trainer-photo span {
  display: block;
}

.trainer-photo span {
  font-size: 11px;
}

.trainer-copy > p {
  color: #485c6e;
}

.strength-table {
  background: var(--navy-soft);
  border-radius: 12px;
  margin: 26px 0;
  padding: 12px 24px;
}

.strength-table > div {
  align-items: center;
  border-bottom: 1px solid #cfdee7;
  display: grid;
  grid-template-columns: 1.45fr 0.65fr 28px 0.75fr;
  min-height: 65px;
}

.strength-table > div:last-child {
  border: 0;
}

.strength-table span {
  color: var(--navy);
  font-size: 14px;
  font-weight: 800;
}

.strength-table small {
  color: var(--muted);
  font-size: 15px;
  text-align: right;
}

.strength-table b {
  color: #91a7b6;
  text-align: center;
}

.strength-table strong {
  color: var(--orange);
  font-size: 23px;
  text-align: right;
}

.credentials {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 25px 0 0;
  padding: 0;
}

.credentials li {
  border: 1px solid #b8cbd7;
  border-radius: 999px;
  color: var(--navy);
  font-size: 11px;
  font-weight: 700;
  padding: 5px 11px;
}

.testimonials-section {
  background: var(--navy-soft);
}

.testimonial-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, 1fr);
  margin: 0 auto;
  max-width: 1100px;
}

.testimonial-card {
  background: white;
  border-radius: 14px;
  box-shadow: 0 7px 24px rgba(23, 58, 94, 0.07);
  padding: 30px 28px 32px;
  text-align: center;
}

.testimonial-card img {
  aspect-ratio: 1;
  border: 5px solid var(--navy-soft);
  border-radius: 50%;
  margin: 0 auto 14px;
  object-fit: cover;
  width: 126px;
}

.testimonial-profile {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.testimonial-card h3 {
  color: var(--navy);
  font-size: 19px;
  line-height: 1.55;
  margin: 9px 0 15px;
}

.testimonial-card p {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.9;
  margin: 0;
  text-align: left;
}

.price-section {
  background: #f8fafb;
}

.plan-grid {
  grid-template-columns: repeat(3, 1fr);
}

.plan-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 36px 27px;
  position: relative;
  text-align: center;
}

.plan-card.recommended {
  border: 2px solid var(--orange);
}

.recommend-label {
  background: var(--orange);
  border-radius: 999px;
  color: white;
  font-size: 11px;
  font-weight: 700;
  left: 50%;
  padding: 5px 18px;
  position: absolute;
  top: -14px;
  transform: translateX(-50%);
}

.plan-card h3 {
  color: var(--navy);
  font-size: 18px;
  margin: 0 0 16px;
}

.plan-card > strong {
  color: var(--navy-deep);
  display: block;
  font-family: Georgia, serif;
  font-size: 34px;
}

.plan-card > small {
  color: var(--muted);
}

.plan-card p {
  border-top: 1px solid var(--line);
  font-size: 13px;
  margin: 22px 0 0;
  padding-top: 18px;
}

.included {
  background: white;
  border: 1px solid var(--line);
  border-radius: 12px;
  margin: 24px auto 0;
  max-width: 1100px;
  padding: 25px 32px;
}

.included h3 {
  color: var(--navy);
  font-size: 16px;
  margin: 0 0 10px;
}

.included ul {
  display: grid;
  font-size: 13px;
  gap: 6px 30px;
  grid-template-columns: repeat(2, 1fr);
  margin: 0;
  padding-left: 20px;
}

.included p {
  color: var(--muted);
  font-size: 11px;
  margin: 15px 0 0;
}

.trial-offer {
  align-items: baseline;
  color: var(--navy);
  display: flex;
  gap: 14px;
  justify-content: center;
  margin: -25px auto 35px;
}

.trial-offer span {
  font-size: 13px;
}

.trial-offer strong {
  color: var(--orange);
  font-family: Georgia, serif;
  font-size: 48px;
  line-height: 1;
}

.trial-offer b {
  background: var(--navy);
  border-radius: 999px;
  color: white;
  font-size: 13px;
  padding: 3px 12px;
}

.trial-grid {
  grid-template-columns: repeat(3, 1fr);
}

.trial-grid article {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  padding-bottom: 25px;
}

.trial-grid img {
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.trial-grid article > span {
  color: #a7c0cf;
  display: block;
  font-family: Georgia, serif;
  font-size: 24px;
  font-weight: 700;
  margin: 18px 24px 0;
}

.trial-grid h3 {
  color: var(--navy);
  font-size: 18px;
  margin: 0 24px 8px;
}

.trial-grid p {
  color: var(--muted);
  font-size: 13px;
  margin: 0 24px;
}

.trial-actions {
  align-items: center;
  display: flex;
  flex-direction: column;
  margin-top: 40px;
}

.trial-actions > p {
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
}

.mail-link {
  margin-top: 14px;
}

.faq-list {
  border-top: 1px solid var(--line);
  margin: 0 auto;
  max-width: 900px;
}

.faq-list details {
  border-bottom: 1px solid var(--line);
  padding: 20px 8px;
}

.faq-list summary {
  color: var(--navy);
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  list-style: none;
  padding-right: 35px;
  position: relative;
}

.faq-list summary::after {
  content: "＋";
  font-size: 22px;
  position: absolute;
  right: 3px;
  top: -5px;
}

.faq-list details[open] summary::after {
  content: "−";
}

.faq-list p {
  color: var(--muted);
  font-size: 14px;
  margin: 15px 0 0;
}

.final-cta {
  background: var(--navy);
  color: white;
  padding: 90px 24px;
  text-align: center;
}

.final-cta > span {
  color: #a8c7d9;
}

.final-cta h2 {
  font-size: clamp(30px, 4vw, 47px);
  line-height: 1.45;
  margin: 12px 0 20px;
}

.final-cta p {
  font-size: 15px;
  margin: 0 0 28px;
}

footer {
  align-items: center;
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.72);
  display: flex;
  flex-direction: column;
  font-size: 12px;
  padding: 38px 20px 80px;
  text-align: center;
}

footer strong {
  color: white;
  font-size: 15px;
}

footer p {
  margin: 7px 0;
}

footer a {
  text-decoration: underline;
}

footer small {
  margin-top: 15px;
}

.mobile-fixed {
  display: none;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-content {
    margin: 0;
    max-width: none;
    order: 2;
    padding: 50px 24px 58px;
  }

  .hero-image {
    min-height: 380px;
    order: 1;
  }

  .reason-grid,
  .plan-grid,
  .trial-grid,
  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .trainer {
    grid-template-columns: 1fr;
    padding-left: max(8vw, 28px);
    padding-right: max(8vw, 28px);
  }

  .trainer-photo {
    margin: 0 auto 25px;
    max-width: 470px;
  }

  .trainer-photo > div {
    right: -10px;
  }

  .plan-grid,
  .trial-grid,
  .testimonial-grid {
    max-width: 560px;
  }
}

@media (max-width: 640px) {
  .site-header {
    height: 64px;
    padding: 0 16px;
  }

  .brand-mark {
    height: 36px;
    width: 36px;
  }

  .brand strong {
    font-size: 16px;
  }

  .brand small {
    font-size: 9px;
  }

  .header-cta {
    display: none;
  }

  .hero-image {
    min-height: 300px;
  }

  .hero-caption {
    bottom: 15px;
    left: 15px;
    padding: 11px 14px;
  }

  .hero h1 {
    font-size: 35px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-actions {
    align-items: stretch;
    flex-direction: column;
    gap: 12px;
  }

  .button {
    min-width: 0;
    width: 100%;
  }

  .section-nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding: 0 10px;
  }

  .section-nav a,
  .section-nav a:first-child {
    border: 0;
    flex: 0 0 auto;
    padding: 3px 16px;
  }

  .section {
    padding-bottom: 70px;
    padding-top: 70px;
  }

  .section-heading {
    margin-bottom: 34px;
  }

  .section-heading h2 {
    font-size: 27px;
  }

  .concern-grid {
    grid-template-columns: 1fr;
  }

  .concern-card {
    min-height: 90px;
    padding: 18px;
  }

  .concern-card p {
    font-size: 14px;
  }

  .statement {
    font-size: 15px;
    text-align: left;
  }

  .desktop-only {
    display: none;
  }

  .trainer {
    padding-left: 24px;
    padding-right: 24px;
  }

  .strength-table {
    padding: 8px 14px;
  }

  .strength-table > div {
    grid-template-columns: 1.35fr 0.6fr 24px 0.7fr;
  }

  .strength-table span {
    font-size: 11px;
  }

  .strength-table small {
    font-size: 13px;
  }

  .strength-table strong {
    font-size: 19px;
  }

  .included {
    padding: 22px;
  }

  .included ul {
    grid-template-columns: 1fr;
  }

  .final-cta {
    padding: 70px 24px 90px;
  }

  .mobile-fixed {
    background: var(--green);
    bottom: 0;
    color: white;
    display: block;
    font-size: 15px;
    font-weight: 800;
    left: 0;
    padding: 13px 15px;
    position: fixed;
    right: 0;
    text-align: center;
    z-index: 80;
  }
}